JPS5810349U - Relay drive circuit in timer circuit - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例を示す回路図、第２図はこ
の考案の他の実施例を示す回路図、第３図はこの考案に
よる回路の瞬時動作、限時動作をする場合の動作のチャ
ート図、第４図は従来例を示す回路図である。 図において１は電源装置、２はタイマ回路、３は分圧装
置、４は第１リレーの励磁コイル、５は抵抗体、６は第
１の駆動素子、７は第２リレーの励磁コイル、８は第２
の駆動素子、１１は整流装置である。なお図中同一符号
は同−又は相当部分を示す。Figure 1 is a circuit diagram showing one embodiment of this invention, Figure 2 is a circuit diagram showing another embodiment of this invention, and Figure 3 is the instantaneous operation and time-limited operation of the circuit according to this invention. FIG. 4 is a circuit diagram showing a conventional example. In the figure, 1 is a power supply device, 2 is a timer circuit, 3 is a voltage divider, 4 is an excitation coil of the first relay, 5 is a resistor, 6 is a first drive element, 7 is an excitation coil of a second relay, 8 is the second
11 is a rectifier. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源装置にこの電源装置の電圧を分圧する分圧装置を介
して接続されるタイマ回路、上記タイマ回路に並列接続
される第１リレーの励磁コイルと抵抗体と上記第１リレ
ーの励磁コイルを駆動する第１の駆動素子の直列接続体
、及び上記抵抗体と第１の駆動素子の直列体に並列接続
される第２リレーの励磁コイルとこの第２リレーの励磁
コイルを駆動する第２の駆動素子の直列接続体を少なく
とも備え、上記第１リレーの励磁コイルと抵抗体に流れ
る電流と、上記第１リレーの励磁コイルと第２リレーの
励磁コイルに流れる電流が等しくなるように、上記抵抗
体の抵抗値を設定し、上記タイマ回路からの信号により
、上記第１及び第２の駆動素子を制御して、上記第１及
び第ｆｆ１Ｊレーの励磁コイルを順次駆動することを特
徴とするタイマ回路におけるリレー駆動回路。A timer circuit connected to the power supply device via a voltage divider that divides the voltage of the power supply device, driving an excitation coil and a resistor of a first relay connected in parallel to the timer circuit, and an excitation coil of the first relay. an excitation coil of a second relay connected in parallel to the series connection of the first drive element, and a second drive that drives the excitation coil of the second relay. The resistor includes at least a series connection body of elements, and the resistor is configured such that the current flowing through the excitation coil of the first relay and the resistor is equal to the current flowing through the excitation coil of the first relay and the excitation coil of the second relay. A timer circuit configured to set a resistance value of and control the first and second drive elements by a signal from the timer circuit to sequentially drive the excitation coils of the first and FF1J-rays. relay drive circuit.